Professional teeth whitening by a dentist is considered to be the most effective method. The dentist does raise fear in people; this all started during childhood and has stayed with people into adulthood. Using a professional dentist to whiten teeth for some people is not cost effective. The cost of getting this procedure done is out of reach for many. According to recent studies dentists will not recommend products but they all agree on one basic fact, using over the counter products will whiten teeth if used properly. Any comments or suggestions regarding teeth whiting is mostly well come.